1442031404 has 12 divisors (see below), whose sum is σ = 2752969128. Its totient is φ = 655468800.

The previous prime is 1442031401. The next prime is 1442031413. The reversal of 1442031404 is 4041302441.

It is a happy number.

It is a super-2 number, since 2×1442031404² = 4158909140244422432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442031404.

It is not an unprimeable number, because it can be changed into a prime (1442031401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16386677 + ... + 16386764.

It is an arithmetic number, because the mean of its divisors is an integer number (229414094).

Almost surely, 2^1442031404 is an apocalyptic number.

It is an amenable number.

1442031404 is a deficient number, since it is larger than the sum of its proper divisors (1310937724).

1442031404 is a wasteful number, since it uses less digits than its factorization.

1442031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32773456 (or 32773454 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1442031404 is about 37974.0885868246. The cubic root of 1442031404 is about 1129.7739919209.

Adding to 1442031404 its reverse (4041302441), we get a palindrome (5483333845).

The spelling of 1442031404 in words is "one billion, four hundred forty-two million, thirty-one thousand, four hundred four".